Tomonari Koizumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
DC power supply system and control method
- Patent number 9,780,560
- Issue date Oct 3, 2017
- ORIGIN ELECTRIC COMPANY, LIMITED
- Tomonari Koizumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
DC Power Supply System and Control Method
- Publication number 20130278056
- Publication date Oct 24, 2013
- NTT FACILITIES, INC.
- Tomonari Koizumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER